Systems, methods, and computer program products for automatic dissemination of spelling rules within working groups. Exemplary embodiments include a method for automatic dissemination of spelling rules within working groups having a sender computer and a recipient computer, the method including composing a document on the sender computer, performing a spell check on text within the document, identifying a word flagged by the spell check as being absent from a dictionary associated with the spell check and with the sender computer, adding the flagged word to the dictionary associated with the sender computer, tagging the flagged word with an indication that the flagged word is to be added to a dictionary associated with the recipient computer in response to the document being received in the recipient computer, storing the indication within the document and sending the document to the recipient computer.